Breather plug



FIG. 1 is a first perspective view of my new design for a breather plug;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a bottom view of FIG. 1;

FIG. 7 is a left side view of FIG. 1; and,

FIG. 8 is a back view of FIG. 1.

The broken lines shown in FIGS. 1-3 and 5-8 represent environmentalstructure and form no part of the claimed design.

The ornamental design for a breather plug, as shown and described.